Base | Representation |
---|---|
bin | 1000111111010… |
… | …11101101110101 |
3 | 12020220110002112 |
4 | 10133223231311 |
5 | 123301230024 |
6 | 11252220405 |
7 | 1604004011 |
oct | 437535565 |
9 | 166813075 |
10 | 75414389 |
11 | 39629a46 |
12 | 2130a705 |
13 | 128160cb |
14 | a031541 |
15 | 694a00e |
hex | 47ebb75 |
75414389 has 8 divisors (see below), whose sum is σ = 78626592. Its totient is φ = 72268560.
The previous prime is 75414379. The next prime is 75414403. The reversal of 75414389 is 98341457.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 75414389 - 24 = 75414373 is a prime.
It is a super-4 number, since 4×754143894 (a number of 33 digits) contains 4444 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (75414319) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14267 + ... + 18824.
It is an arithmetic number, because the mean of its divisors is an integer number (9828324).
Almost surely, 275414389 is an apocalyptic number.
It is an amenable number.
75414389 is a deficient number, since it is larger than the sum of its proper divisors (3212203).
75414389 is a wasteful number, since it uses less digits than its factorization.
75414389 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 33187.
The product of its digits is 120960, while the sum is 41.
The square root of 75414389 is about 8684.1458417049. The cubic root of 75414389 is about 422.4915937312.
The spelling of 75414389 in words is "seventy-five million, four hundred fourteen thousand, three hundred eighty-nine".
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